1.修改代码适配阿里云的服务器

server/vendor/go.mongodb.org/mongo-driver/v2/mongo/readpref/mode.go

@@ -0,0 +1,88 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package readpref
+
+import (
+	"fmt"
+	"strings"
+)
+
+// Mode indicates the user's preference on reads.
+type Mode uint8
+
+// Mode constants
+const (
+	_ Mode = iota
+	// PrimaryMode indicates that only a primary is
+	// considered for reading. This is the default
+	// mode.
+	PrimaryMode
+	// PrimaryPreferredMode indicates that if a primary
+	// is available, use it; otherwise, eligible
+	// secondaries will be considered.
+	PrimaryPreferredMode
+	// SecondaryMode indicates that only secondaries
+	// should be considered.
+	SecondaryMode
+	// SecondaryPreferredMode indicates that only secondaries
+	// should be considered when one is available. If none
+	// are available, then a primary will be considered.
+	SecondaryPreferredMode
+	// NearestMode indicates that all primaries and secondaries
+	// will be considered.
+	NearestMode
+)
+
+// ModeFromString returns a mode corresponding to
+// mode.
+func ModeFromString(mode string) (Mode, error) {
+	switch strings.ToLower(mode) {
+	case "primary":
+		return PrimaryMode, nil
+	case "primarypreferred":
+		return PrimaryPreferredMode, nil
+	case "secondary":
+		return SecondaryMode, nil
+	case "secondarypreferred":
+		return SecondaryPreferredMode, nil
+	case "nearest":
+		return NearestMode, nil
+	}
+	return Mode(0), fmt.Errorf("unknown read preference %v", mode)
+}
+
+// String returns the string representation of mode.
+func (mode Mode) String() string {
+	switch mode {
+	case PrimaryMode:
+		return "primary"
+	case PrimaryPreferredMode:
+		return "primaryPreferred"
+	case SecondaryMode:
+		return "secondary"
+	case SecondaryPreferredMode:
+		return "secondaryPreferred"
+	case NearestMode:
+		return "nearest"
+	default:
+		return "unknown"
+	}
+}
+
+// IsValid checks whether the mode is valid.
+func (mode Mode) IsValid() bool {
+	switch mode {
+	case PrimaryMode,
+		PrimaryPreferredMode,
+		SecondaryMode,
+		SecondaryPreferredMode,
+		NearestMode:
+		return true
+	default:
+		return false
+	}
+}

server/vendor/go.mongodb.org/mongo-driver/v2/mongo/readpref/options.go

@@ -0,0 +1,88 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package readpref
+
+import (
+	"errors"
+	"time"
+
+	"go.mongodb.org/mongo-driver/v2/tag"
+)
+
+// ErrInvalidTagSet indicates that an invalid set of tags was specified.
+var ErrInvalidTagSet = errors.New("an even number of tags must be specified")
+
+// Option configures a read preference
+type Option func(*ReadPref) error
+
+// WithMaxStaleness sets the maximum staleness a
+// server is allowed.
+func WithMaxStaleness(ms time.Duration) Option {
+	return func(rp *ReadPref) error {
+		rp.maxStaleness = ms
+		rp.maxStalenessSet = true
+		return nil
+	}
+}
+
+// WithTags specifies a single tag set used to match replica set members. If no members match the
+// tag set, read operations will return an error. To avoid errors if no members match the tag set, use
+// [WithTagSets] and include an empty tag set as the last tag set in the list.
+//
+// The last call to [WithTags] or [WithTagSets] overrides all previous calls to either method.
+//
+// For more information about read preference tags, see
+// https://www.mongodb.com/docs/manual/core/read-preference-tags/
+func WithTags(tags ...string) Option {
+	return func(rp *ReadPref) error {
+		length := len(tags)
+		if length < 2 || length%2 != 0 {
+			return ErrInvalidTagSet
+		}
+
+		tagset := make(tag.Set, 0, length/2)
+
+		for i := 1; i < length; i += 2 {
+			tagset = append(tagset, tag.Tag{Name: tags[i-1], Value: tags[i]})
+		}
+
+		return WithTagSets(tagset)(rp)
+	}
+}
+
+// WithTagSets specifies a list of tag sets used to match replica set members. If the list contains
+// multiple tag sets, members are matched against each tag set in succession until a match is found.
+// Once a match is found, the remaining tag sets are ignored. If no members match any of the tag
+// sets, the read operation returns with an error. To avoid an error if no members match any of the
+// tag sets, include an empty tag set as the last tag set in the list.
+//
+// The last call to [WithTags] or [WithTagSets] overrides all previous calls to either method.
+//
+// For more information about read preference tags, see
+// https://www.mongodb.com/docs/manual/core/read-preference-tags/
+func WithTagSets(tagSets ...tag.Set) Option {
+	return func(rp *ReadPref) error {
+		rp.tagSets = tagSets
+		return nil
+	}
+}
+
+// WithHedgeEnabled specifies whether or not hedged reads should be enabled in
+// the server. This feature requires MongoDB server version 4.4 or higher. For
+// more information about hedged reads, see
+// https://www.mongodb.com/docs/manual/core/sharded-cluster-query-router/#mongos-hedged-reads.
+// If not specified, the default is to not send a value to the server, which
+// will result in the server defaults being used.
+//
+// Deprecated: Hedged reads are deprecated in MongoDB 8.0 and may be removed in
+// a future MongoDB version.
+func WithHedgeEnabled(hedgeEnabled bool) Option {
+	return func(rp *ReadPref) error {
+		rp.hedgeEnabled = &hedgeEnabled
+		return nil
+	}
+}

server/vendor/go.mongodb.org/mongo-driver/v2/mongo/readpref/readpref.go

@@ -0,0 +1,135 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+// Package readpref defines read preferences for MongoDB queries.
+package readpref
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"time"
+
+	"go.mongodb.org/mongo-driver/v2/tag"
+)
+
+var errInvalidReadPreference = errors.New("can not specify tags, max staleness, or hedge with mode primary")
+
+// Primary constructs a read preference with a PrimaryMode.
+func Primary() *ReadPref {
+	return &ReadPref{mode: PrimaryMode}
+}
+
+// PrimaryPreferred constructs a read preference with a PrimaryPreferredMode.
+func PrimaryPreferred(opts ...Option) *ReadPref {
+	// New only returns an error with a mode of Primary
+	rp, _ := New(PrimaryPreferredMode, opts...)
+	return rp
+}
+
+// SecondaryPreferred constructs a read preference with a SecondaryPreferredMode.
+func SecondaryPreferred(opts ...Option) *ReadPref {
+	// New only returns an error with a mode of Primary
+	rp, _ := New(SecondaryPreferredMode, opts...)
+	return rp
+}
+
+// Secondary constructs a read preference with a SecondaryMode.
+func Secondary(opts ...Option) *ReadPref {
+	// New only returns an error with a mode of Primary
+	rp, _ := New(SecondaryMode, opts...)
+	return rp
+}
+
+// Nearest constructs a read preference with a NearestMode.
+func Nearest(opts ...Option) *ReadPref {
+	// New only returns an error with a mode of Primary
+	rp, _ := New(NearestMode, opts...)
+	return rp
+}
+
+// New creates a new ReadPref.
+func New(mode Mode, opts ...Option) (*ReadPref, error) {
+	rp := &ReadPref{
+		mode: mode,
+	}
+
+	if mode == PrimaryMode && len(opts) != 0 {
+		return nil, errInvalidReadPreference
+	}
+
+	for _, opt := range opts {
+		if opt == nil {
+			continue
+		}
+		err := opt(rp)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	return rp, nil
+}
+
+// ReadPref determines which servers are considered suitable for read operations.
+type ReadPref struct {
+	maxStaleness    time.Duration
+	maxStalenessSet bool
+	mode            Mode
+	tagSets         []tag.Set
+	hedgeEnabled    *bool
+}
+
+// MaxStaleness is the maximum amount of time to allow
+// a server to be considered eligible for selection. The
+// second return value indicates if this value has been set.
+func (r *ReadPref) MaxStaleness() (time.Duration, bool) {
+	return r.maxStaleness, r.maxStalenessSet
+}
+
+// Mode indicates the mode of the read preference.
+func (r *ReadPref) Mode() Mode {
+	return r.mode
+}
+
+// TagSets are multiple tag sets indicating
+// which servers should be considered.
+func (r *ReadPref) TagSets() []tag.Set {
+	return r.tagSets
+}
+
+// HedgeEnabled returns whether or not hedged reads are enabled for this read
+// preference. If this option was not specified during read preference
+// construction, nil is returned.
+//
+// Deprecated: Hedged reads are deprecated in MongoDB 8.0 and may be removed in
+// a future MongoDB version.
+func (r *ReadPref) HedgeEnabled() *bool {
+	return r.hedgeEnabled
+}
+
+// String returns a human-readable description of the read preference.
+func (r *ReadPref) String() string {
+	var b bytes.Buffer
+	b.WriteString(r.mode.String())
+	delim := "("
+	if r.maxStalenessSet {
+		fmt.Fprintf(&b, "%smaxStaleness=%v", delim, r.maxStaleness)
+		delim = " "
+	}
+	for _, tagSet := range r.tagSets {
+		fmt.Fprintf(&b, "%stagSet=%s", delim, tagSet.String())
+		delim = " "
+	}
+	if r.hedgeEnabled != nil {
+		fmt.Fprintf(&b, "%shedgeEnabled=%v", delim, *r.hedgeEnabled)
+		delim = " "
+	}
+	if delim != "(" {
+		b.WriteString(")")
+	}
+	return b.String()
+}